Biology Regents Review A-D

Front

ATP

Back

Adenosine triphosphate, the main energy carrier in cells.

Front

DNA

Back

Genetic material found in all living organisms.

Front

Abiotic

Back

Non-living parts of an ecosystem (e.g., sunlight, temperature).

Front

Adaptation

Back

A trait that helps an organism survive and reproduce.

Front

Advantageous Trait

Back

A trait that increases an organism's fitness (ability to survive and reproduce) in a given environment.

Front

Allele

Back

Different forms of a gene (e.g., dominant or recessive).

Front

Amino Acid Sequence

Back

The order of amino acids in a protein; determines its structure and function.

Front

Anaerobic Respiration

Back

Making energy in cells without oxygen; less efficient than aerobic cellular respiration.

Front

Antibody

Back

A protein produced by the immune system to identify and neutralize pathogens.

Front

Biodiversity

Back

The variety of life or number of different species in an area, important for ecosystem stability.